Sigsaly: Churchill's top secret hotline to the President

4 comments

• prathje 24 minutes ago
  A great example of a one-time pad!

  There is an illustration for the encryption process in Appendix B here: https://www.nsa.gov/portals/75/documents/about/cryptologic-h...
• jgrahamc 18 minutes ago
  Also, worth reading about is Turing's Delilah speech encryption system: https://spectrum.ieee.org/alan-turings-delilah
• kachnuv_ocasek 22 minutes ago
  * US president
• excannuk 21 minutes ago
  [dead]